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Comparing hydroacoustics measurements in large estuaries at two frequencies (70 and 120 kHz)

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Auteurs

  • Valery Samedy
  • Mario Lepage
  • Philippe Boët
  • Jan Breine
  • Jean Guillard

Externe Organisaties

  • MSU, NGI. 1021 Balch Blvd, Stennis Space Center, MS 39529, USA
  • Irstea, UR EABX. 50 avenue de Verdun, 33612 Cestas Cedex, France
  • INRA, UMR CARRTEL. 75 avenue de Corzent, 74203 Thonon-les-Bains Cedex, France

Details

Originele taal-2Engels
StatusGepubliceerd - 2015
EventSymposium on Marine Ecosystem Acoustics France May 2015 - Nantes, Frankrijk
Duur: 25-mei-201528-mei-2015

Congres

CongresSymposium on Marine Ecosystem Acoustics France May 2015
LandFrankrijk
StadNantes
Periode25/05/1528/05/15

Abstract

Acoustic technology in use for over 40 years has proven to be an effective tool to collect high-quality data describing animal size, abundance, behavior (1) across a wide range of spatio-temporal scales in aquatic ecosystems (2). It is considered as compatible with best practices defined by European Directives and applied as an alternative and/or complementary to intrusive net sampling. With the miniaturization of equipment, different echosounders, and frequencies can be used simultaneously on small boats. However, unique features of estuaries have limited the application of hydroacoustics.

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EWI Biomedische wetenschappen

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